{"id":"https://openalex.org/W2066316962","doi":"https://doi.org/10.1145/1374296.1374345","title":"Open loop transcoding using perceptually adaptive requantization of DCT coefficients","display_name":"Open loop transcoding using perceptually adaptive requantization of DCT coefficients","publication_year":2006,"publication_date":"2006-01-01","ids":{"openalex":"https://openalex.org/W2066316962","doi":"https://doi.org/10.1145/1374296.1374345","mag":"2066316962"},"language":"en","primary_location":{"id":"doi:10.1145/1374296.1374345","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1374296.1374345","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2nd international conference on Mobile multimedia communications - MobiMedia '06","raw_type":"proceedings-article"},"type":"conference-abstract","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5060378937","display_name":"Francesco Bertagnolli","orcid":null},"institutions":[{"id":"https://openalex.org/I25217355","display_name":"University of Pavia","ror":"https://ror.org/00s6t1f81","country_code":"IT","type":"education","lineage":["https://openalex.org/I25217355"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Francesco Bertagnolli","raw_affiliation_strings":["University of Pavia, Pavia, Italy","University of Pavia, Pavia / Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Pavia, Pavia, Italy","institution_ids":["https://openalex.org/I25217355"]},{"raw_affiliation_string":"University of Pavia, Pavia / Italy","institution_ids":["https://openalex.org/I25217355"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051197101","display_name":"Matteo Lanati","orcid":null},"institutions":[{"id":"https://openalex.org/I25217355","display_name":"University of Pavia","ror":"https://ror.org/00s6t1f81","country_code":"IT","type":"education","lineage":["https://openalex.org/I25217355"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Matteo Lanati","raw_affiliation_strings":["University of Pavia, Pavia, Italy","University of Pavia, Pavia / Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Pavia, Pavia, Italy","institution_ids":["https://openalex.org/I25217355"]},{"raw_affiliation_string":"University of Pavia, Pavia / Italy","institution_ids":["https://openalex.org/I25217355"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064328082","display_name":"Lorenzo Favalli","orcid":"https://orcid.org/0000-0002-4851-2393"},"institutions":[{"id":"https://openalex.org/I25217355","display_name":"University of Pavia","ror":"https://ror.org/00s6t1f81","country_code":"IT","type":"education","lineage":["https://openalex.org/I25217355"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Lorenzo Favalli","raw_affiliation_strings":["University of Pavia, Pavia, Italy","University of Pavia, Pavia / Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Pavia, Pavia, Italy","institution_ids":["https://openalex.org/I25217355"]},{"raw_affiliation_string":"University of Pavia, Pavia / Italy","institution_ids":["https://openalex.org/I25217355"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008893316","display_name":"Francesco Gruppi","orcid":null},"institutions":[{"id":"https://openalex.org/I25217355","display_name":"University of Pavia","ror":"https://ror.org/00s6t1f81","country_code":"IT","type":"education","lineage":["https://openalex.org/I25217355"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Francesco Gruppi","raw_affiliation_strings":["University of Pavia, Pavia, Italy","University of Pavia, Pavia / Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Pavia, Pavia, Italy","institution_ids":["https://openalex.org/I25217355"]},{"raw_affiliation_string":"University of Pavia, Pavia / Italy","institution_ids":["https://openalex.org/I25217355"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I25217355"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"1"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10901","display_name":"Advanced Data Compression Techniques","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10901","display_name":"Advanced Data Compression Techniques","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10741","display_name":"Video Coding and Compression Technologies","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11165","display_name":"Image and Video Quality Assessment","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/transcoding","display_name":"Transcoding","score":0.8653531074523926},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7546007633209229},{"id":"https://openalex.org/keywords/discrete-cosine-transform","display_name":"Discrete cosine transform","score":0.735238790512085},{"id":"https://openalex.org/keywords/quantization","display_name":"Quantization (signal processing)","score":0.576814591884613},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.5743714570999146},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4956761598587036},{"id":"https://openalex.org/keywords/trellis-quantization","display_name":"Trellis quantization","score":0.45509904623031616},{"id":"https://openalex.org/keywords/transform-coding","display_name":"Transform coding","score":0.439470112323761},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.43170303106307983},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.4274352490901947},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.39772868156433105},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.1913510262966156},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1517183482646942},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.11774042248725891},{"id":"https://openalex.org/keywords/image-compression","display_name":"Image compression","score":0.08958777785301208}],"concepts":[{"id":"https://openalex.org/C134535813","wikidata":"https://www.wikidata.org/wiki/Q1888734","display_name":"Transcoding","level":2,"score":0.8653531074523926},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7546007633209229},{"id":"https://openalex.org/C2221639","wikidata":"https://www.wikidata.org/wiki/Q2877","display_name":"Discrete cosine transform","level":3,"score":0.735238790512085},{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.576814591884613},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.5743714570999146},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4956761598587036},{"id":"https://openalex.org/C5317259","wikidata":"https://www.wikidata.org/wiki/Q4462361","display_name":"Trellis quantization","level":5,"score":0.45509904623031616},{"id":"https://openalex.org/C169805256","wikidata":"https://www.wikidata.org/wiki/Q1361381","display_name":"Transform coding","level":4,"score":0.439470112323761},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.43170303106307983},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.4274352490901947},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.39772868156433105},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.1913510262966156},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1517183482646942},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.11774042248725891},{"id":"https://openalex.org/C13481523","wikidata":"https://www.wikidata.org/wiki/Q412438","display_name":"Image compression","level":4,"score":0.08958777785301208},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1374296.1374345","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1374296.1374345","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2nd international conference on Mobile multimedia communications - MobiMedia '06","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W36613476","https://openalex.org/W1527407738","https://openalex.org/W1892214433","https://openalex.org/W1998015146","https://openalex.org/W2023061236","https://openalex.org/W2033828941","https://openalex.org/W2046020891","https://openalex.org/W2049042500","https://openalex.org/W2098032048","https://openalex.org/W2103556827","https://openalex.org/W2120736804","https://openalex.org/W2139899539","https://openalex.org/W2145962794","https://openalex.org/W2149591893"],"related_works":["https://openalex.org/W2138957216","https://openalex.org/W2058077779","https://openalex.org/W2146506178","https://openalex.org/W1606642682","https://openalex.org/W2129927873","https://openalex.org/W2126453694","https://openalex.org/W2154651298","https://openalex.org/W2068397735","https://openalex.org/W3127469205","https://openalex.org/W1666618243"],"abstract_inverted_index":{"With":[0],"increasing":[1],"network":[2],"heterogeneity,":[3],"adaptive":[4],"techniques":[5,22],"for":[6],"coding":[7],"multimedia":[8],"(and":[9],"mainly":[10],"video)":[11],"signals":[12],"become":[13],"mandatory.":[14],"In":[15],"this":[16,53],"paper":[17],"we":[18],"introduce":[19],"a":[20,35],"simple":[21,50],"to":[23],"adapt":[24],"quantization":[25],"step":[26],"size":[27],"in":[28,56],"an":[29],"open":[30],"loop":[31],"transcoder":[32],"based":[33],"on":[34],"perceptual":[36],"interpretation":[37],"of":[38],"DCT":[39],"coefficient":[40],"distribution.":[41],"Results":[42],"show":[43],"that":[44],"the":[45,58],"technique":[46],"is":[47],"actually":[48],"very":[49],"and":[51],"despite":[52],"simplicity,":[54],"effective":[55],"improving":[57],"(trans-)":[59],"coded":[60],"stream":[61],"quality.":[62]},"counts_by_year":[],"updated_date":"2026-07-19T07:52:34.831488","created_date":"2025-10-10T00:00:00"}
